Costs and Cost AnalysisHealth Care CostsCost-Benefit AnalysisModels, EconomicDecision TreesDecision Support TechniquesHospital CostsDrug CostsCost SavingsCost of IllnessModels, EconometricDirect Service CostsFactor Analysis, StatisticalBones of Lower ExtremityMarkov ChainsQuality-Adjusted Life YearsRetrospective StudiesDisposable EquipmentPhysicians' OfficesSensitivity and SpecificityModels, StatisticalUnited StatesNebraskaTreatment OutcomeLength of StayHealth ResourcesDiscriminant AnalysisAmbulatory Surgical ProceduresProspective StudiesTime FactorsMass ScreeningFinite Element AnalysisHospitals, UniversityComputer SimulationHospitalizationHealth Services ResearchMultivariate AnalysisDiagnosis-Related GroupsCost ControlAlgorithmsQuestionnairesAmbulatory CarePrincipal Component AnalysisModels, TheoreticalInsecticidesGreat BritainRegression AnalysisNational Health ProgramsReproducibility of ResultsCost SharingPredictive Value of TestsCost AllocationOutcome Assessment (Health Care)Risk FactorsSurvival AnalysisSeverity of Illness IndexPregnancyProgram EvaluationRandomized Controlled Trials as TopicPrognosis